could you show me how to answer the first questionunsigned value binary01011101 to hexadecimal

Break the binary sequence 100001110101011010100 into groups of seven digits and write the word represented by the sequence.

What is the result of the following binary subtraction? (11011001)2 - (01101010)2 None of the other choices listed here is correct. (1001111) 2 (1011111)2 (1101011)2 (1101111)2 (1100111)2

Add the following two 8-bit Tom's floating-point format numbers and give the answer in both signed decimal and Tom's floating-point. Use unbiased rounding; i.e., round to nearest or even. Recall the format is sign, 3-bit 2's complement (not biased) exponent, and fraction with assumed hidden bit, in that order from left to right. Don't use a plus sign for positive answers. 10010011 +00100000= signed decimal Tom's floating-point